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KVM: arm/arm64: GICv4: Handle CLEAR applied to a VLPI 

Handling CLEAR is pretty easy. Just ask the ITS driver to clear
the corresponding pending bit (which will turn into a CLEAR
command on the physical side).

Acked-by: Christoffer Dall <cdall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Marc Zyngier 2017-10-27 15:28:43 +01:00 committed by Christoffer Dall
parent 0fc9a58ee4
commit fb0cada604
1 changed files with 4 additions and 0 deletions
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4
virt/kvm/arm/vgic/vgic-its.c
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@ -1091,6 +1091,10 @@ static int vgic_its_cmd_handle_clear(struct kvm *kvm, struct vgic_its *its,
ite->irq->pending_latch = false;
if (ite->irq->hw)
return irq_set_irqchip_state(ite->irq->host_irq,
IRQCHIP_STATE_PENDING, false);
return 0;
}